> Primer core is one of 3 meta-packages that belong to the Primer CSS framework. Primer core contains packages that are shared between GitHub product and marketing websites.
This repository is a compilation of [several CSS packages](https://github.com/primer/primer-css). You can break it down into smaller sections using NPM.
This repository is distributed with [npm][npm]. After [installing npm][install-npm], you can install `primer-css` with this command. **You must have npm >=3.0 installed to be able to satisfy the dependency paths**
```
$ npm install --save primer-core
```
## Usage
The source files included are written in [Sass][sass] (`scss`) You can simply point your sass `include-path` at your `node_modules` directory and import it like this.
```scss
@import "primer-core/index.scss";
```
You can also import specific portions of the module by importing those partials from the `/lib/` folder. _Make sure you import any requirements along with the modules._
For a compiled **CSS** version of this module, an NPM script is included that will output a CSS version to `build/build.css` The built CSS file is also included in the NPM package.